153520780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37813}}^1$

素因数の和:37858

約数の個数: 48

約数和(自身を含む): 381165120

約数和(自身を除く): 227644340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 37813, 75626, 151252, 189065, 264691, 378130, 529382, 756260, 1058764, 1096577, 1323455, 2193154, 2646910, 4386308, 5293820, 5482885, 7676039, 10965770, 15352078, 21931540, 30704156, 38380195, 76760390, 153520780]

約数ペア:

[(1, 153520780), (2, 76760390), (4, 38380195), (5, 30704156), (7, 21931540), (10, 15352078), (14, 10965770), (20, 7676039), (28, 5482885), (29, 5293820), (35, 4386308), (58, 2646910), (70, 2193154), (116, 1323455), (140, 1096577), (145, 1058764), (203, 756260), (290, 529382), (406, 378130), (580, 264691), (812, 189065), (1015, 151252), (2030, 75626), (4060, 37813)]